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Vitamin A supplementation downregulates adh1c and ALDH1A1 mRNA expression in weaned beef calves

Animal Nutrition 2022年第3期10卷 372-381页

作者： Xue cheng Jin Dong Qiao Peng Seong Jin Kim Na Yeon Kim Jalil Ghassemi Nejad Danil Kim Stephen B.Smith Hong Gu Lee Department of Animal Science and Technology Sanghvi College of Life SciencesKonkuk UniversitySeoul 05029Republic of Korea Asia Pacific Ruminant Institute Icheon 17385Republic of Korea Farm Animal clinical Training and Research center Institute of Green-Bio Science and TechnologySeoul National UniversityPyeongchang 25354Republic of Korea Department of Animal Science Texas A&M UniversityCollege StationTX 77843USA

Our previous studies demonstrated that oral vitamin A supplementation during late-stage pregnancy and the neonatal stage enhances birth weight,growth performance,and mRNA expression related to muscle and preadipocyte development in beef *** alcohol dehydrogenase 1c(adh1c)c.-64T>c genotype also correlated with vitamin A concentration in beef *** study aimed to investigate the effects of vitamin A supplementation on the muscle development and vitamin A metabolism in weaned beef calves with different adh1c *** male calves(90 d of age;initial BW:89.03 kg[SD 8.60])were stratified according to adh1c genotype and vitamin A treatment(duration:3 months)and randomly assigned to 4 groups with a 22 factorial *** A treatments included the following:control(10,000 IU/kg of as-fed,*** type;*** type);treatment(40,000 IU/kg of as-fed,*** type;and *** type).Parameters including BW,FI,blood,longissimus dorsi muscle,and liver status during the experimental period were analyzed using the generalized linear model(GLM)procedure and Tukey's test by SAS 9.4 *** vitamin A was significantly increased(Pcalves showed higher serum vitamin A concentration(Pc type *** triglyceride and non-esterified fatty acid(NEFA)levels increased(Pcompared with the control at 6 months of ***,BW,ADG and FI showed no differences between the *** addition,mRNA expression in longissimus dorsi muscle revealed upregulation of paired box 7(PAX7)(Padh1c and aldehyde dehydrogenase(ALDH)1A1 mRNA expression was downregulated(Pc type of adh1c showed higher mRNA expression than the TT ***,no effect was observed on adipogenic mRNA expression(preadipocyte factor-1[PREF-1],peroxisome proliferator-activated rece

关键词： Vitamin A adh1c genotype Muscle development Korean native calves

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